Home / 70,360.08-97,099.80-38,531.76

Finding the Fourth Proportional to 70,360.08, 97,099.80 and 38,531.76

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Solution

The fourth proportional to 70,360.08, 97,099.80 and 38,531.76 is: 53,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360.08 : 97,099.80 = 38,531.76 : x
  2. Step 2: Convert to fraction form
    70,360.08/97,099.80 = 38,531.76/x
  3. Step 3: Cross multiply
    70,360.08x = 97,099.80 × 38,531.76
  4. Step 4: Simplify right side
    70,360.08x = 3,741,426,189.65
  5. Step 5: Solve for x
    x = 3,741,426,189.65/70,360.08
  6. Step 6: Final answer
    x = 53,175.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.